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Python MarkovModel.get_cardinality方法代码示例

本文整理汇总了Python中pgmpy.models.MarkovModel.get_cardinality方法的典型用法代码示例。如果您正苦于以下问题:Python MarkovModel.get_cardinality方法的具体用法?Python MarkovModel.get_cardinality怎么用?Python MarkovModel.get_cardinality使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在pgmpy.models.MarkovModel的用法示例。


在下文中一共展示了MarkovModel.get_cardinality方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: TestMarkovModelMethods

# 需要导入模块: from pgmpy.models import MarkovModel [as 别名]
# 或者: from pgmpy.models.MarkovModel import get_cardinality [as 别名]
class TestMarkovModelMethods(unittest.TestCase):
    def setUp(self):
        self.graph = MarkovModel()

    def test_get_cardinality(self):

        self.graph.add_edges_from([('a', 'b'), ('b', 'c'), ('c', 'd'),
                                   ('d', 'a')])

        self.assertDictEqual(self.graph.get_cardinality(), {})

        phi1 = Factor(['a', 'b'], [1, 2], np.random.rand(2))
        self.graph.add_factors(phi1)
        self.assertDictEqual(self.graph.get_cardinality(), {'a': 1, 'b': 2})
        self.graph.remove_factors(phi1)
        self.assertDictEqual(self.graph.get_cardinality(), {})

        phi1 = Factor(['a', 'b'], [2, 2], np.random.rand(4))
        phi2 = Factor(['c', 'd'], [1, 2], np.random.rand(2))
        self.graph.add_factors(phi1, phi2)
        self.assertDictEqual(self.graph.get_cardinality(), {'d': 2, 'a': 2, 'b': 2, 'c': 1})

        phi3 = Factor(['d', 'a'], [1, 2], np.random.rand(2))
        self.graph.add_factors(phi3)
        self.assertDictEqual(self.graph.get_cardinality(), {'d': 1, 'c': 1, 'b': 2, 'a': 2})

        self.graph.remove_factors(phi1, phi2, phi3)
        self.assertDictEqual(self.graph.get_cardinality(), {})


    def test_get_cardinality_check_cardinality(self):

        self.graph.add_edges_from([('a', 'b'), ('b', 'c'), ('c', 'd'),
                                   ('d', 'a')])

        phi1 = Factor(['a', 'b'], [1, 2], np.random.rand(2))
        self.graph.add_factors(phi1)
        self.assertRaises(ValueError, self.graph.get_cardinality, check_cardinality=True)

        phi2 = Factor(['a', 'c'], [1, 2], np.random.rand(2))
        self.graph.add_factors(phi2)
        self.assertRaises(ValueError, self.graph.get_cardinality, check_cardinality=True)

        phi3 = Factor(['c', 'd'], [2, 2], np.random.rand(4))
        self.graph.add_factors(phi3)
        self.assertDictEqual(self.graph.get_cardinality(check_cardinality=True), {'d': 2, 'c': 2, 'b': 2, 'a': 1})


    def test_check_model(self):

        self.graph.add_edges_from([('a', 'b'), ('b', 'c'), ('c', 'd'),
                                   ('d', 'a')])
        phi1 = Factor(['a', 'b'], [1, 2], np.random.rand(2))
        phi2 = Factor(['c', 'b'], [3, 2], np.random.rand(6))
        phi3 = Factor(['c', 'd'], [3, 4], np.random.rand(12))
        phi4 = Factor(['d', 'a'], [4, 1], np.random.rand(4))

        self.graph.add_factors(phi1, phi2, phi3, phi4)
        self.assertTrue(self.graph.check_model())

        self.graph.remove_factors(phi1, phi4)
        phi1 = Factor(['a', 'b'], [4, 2], np.random.rand(8))
        self.graph.add_factors(phi1)
        self.assertTrue(self.graph.check_model())

    def test_check_model1(self):
    
        self.graph.add_edges_from([('a', 'b'), ('b', 'c'), ('c', 'd'),
                                   ('d', 'a')])

        phi1 = Factor(['a', 'b'], [1, 2], np.random.rand(2))

        phi2 = Factor(['b', 'c'], [3, 3], np.random.rand(9))
        self.graph.add_factors(phi1, phi2)
        self.assertRaises(ValueError, self.graph.check_model)
        self.graph.remove_factors(phi2)
        
        phi3 = Factor(['c', 'a'], [4, 4], np.random.rand(16))
        self.graph.add_factors(phi3)
        self.assertRaises(ValueError, self.graph.check_model)
        self.graph.remove_factors(phi3)

        phi2 = Factor(['b', 'c'], [2, 3], np.random.rand(6))
        phi3 = Factor(['c', 'd'], [3, 4], np.random.rand(12))
        phi4 = Factor(['d', 'a'], [4, 3], np.random.rand(12))
        self.graph.add_factors(phi2, phi3, phi4)
        self.assertRaises(ValueError, self.graph.check_model)
        self.graph.remove_factors(phi2, phi3, phi4)

        phi2 = Factor(['a', 'b'], [1, 3], np.random.rand(3))
        self.graph.add_factors(phi1, phi2)
        self.assertRaises(ValueError, self.graph.check_model)
        self.graph.remove_factors(phi2)

    def test_check_model2(self):
    
        self.graph.add_edges_from([('a', 'b'), ('b', 'c'), ('c', 'd'),
                                   ('d', 'a')])

        phi1 = Factor(['a', 'c'], [1, 2], np.random.rand(2))
#.........这里部分代码省略.........
开发者ID:ankurankan,项目名称:pgmpy,代码行数:103,代码来源:test_MarkovModel.py


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